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Trans. Nonferrous Met. Soc. China 22(2012) 2233-2240 Sensitivity of springback and section deformation to process parameters in rotary draw bending of thin-walled rectangular H96 brass tube ZHU Ying... on the section deformation should be always considered. Key words: thin-walled rectangular H96 brass tube; rotary draw bending; sensitivity analysis; springback; section deformation 1 Introduction Springback......
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Influence of tool deflection on micro channel pattern of 6:4 brass with rectangular tool Tae-Jin JE, Kang-Won LEE, Sang-Cheon PARK, Jae-Gu KIM, Doo-Sun CHOI, Kyoung-Taik PARK, Kyung... channel structure with 6:4 brass was carried out by shaping process using a single crystal diamond tool. FEM simulation using solid cantilever beam model was analyzed. In result of experiment, tool......
成分 Table 1 Chemical composition of H68 brass (reference to GB/T GBT5231-2001) 反向凝固实验前,首先采用稀盐酸溶液去除铜绞线表面氧化膜,油污等,然后用酒精或去离子水进行清洗后烘干,采用如图1所示的反向凝固装置制备了外径为8.5 mm的黄铜包覆纯铜绞线复合材料.采用差热分析(DSC)法获得了H68黄铜固相线温度...裂纹,随着黄铜熔体温度的提高,裂纹的数量减少(见图3(d1)~(d4)).另外,随着黄铜熔体温度的增大,复合材料表面氧化程度有所增大. 图3 不同制备参数条件下制备的黄铜包覆纯铜绞线复合材料的宏观照片 Fig. 3 Photos of brass cladding copper stranded wires with various preparing......
Relativity between corrosion-induced stress and stress corrosion cracking of brass in an ammonia solutionXianzhong Guo, Wuyang Chu, Kewei Gao, and Lijie QiaoMaterials Science and Engineering School...) of brass in an ammonia solution with various pH values or under various applied potentials was measured at slow strain rate tests. The additive stress in the same solution was measured using two......
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of copper and brass in serious Xisha marine atmosphereCUI Zhong-yu, XIAO Kui, DONG Chao-fang, DING Yuan, WANG Tao, LI Xiao-gang(Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083, China)Abstract:Long period corrosion behavior of copper T2 and brass H62 after atmospheric exposure in Xisha islands for 3/4, 1, 2 and 4 a was investigated. The surface and cross......
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; 文献标识码:A Characteristic of microstructure and properties evolution of H65 brass alloy during continuous extrusion process SUI Xian, SONG Bao-yun, LI Bing, YUN Xin-bing, GAO Fei (Engineering Research Center of Continuous Extrusion, Dalian Jiaotong University, Dalian 116028, China) Abstract: The microstructure and properties evolution of H65 brass alloy during......